He aha te EPON GPON ranei?

EPON

Ko te EPON (Ethernet Passive Optical Whatunga) ko te ahua o te hanganga whatunga tohu-ki-maha, aratau whakawhiti muka whatu hāngū, i runga i te papaaho Ethernet tere-tere me te TDM (waawehenga wa maha) wehenga wa MAC aratau mana uru pāpāho, e whakarato ana i te maha He hangarau whakauru whanui ratonga whakauru. Ka whakamahia e ia te hangarau PON i te paparanga tinana, ka whakamahi i te kawa Ethernet i te paparanga hono, me te whakarato i te urunga Ethernet ma te whakamahi i te topology PON.

Ko te punaha EPON e whakamahi ana i te hangarau WDM ki te mohio ki te tuku-a-rua-a-ira.

Ko tetahi o nga hangarau PON, kei a EPON nga painga o te whatunga Ethernet me te PON. He hototahi te EPON ki nga whatunga Ethernet o naianei me te whakahaere whakahaere. He EPON ake ano te utu iti, te bandwidth teitei, me te whatunga ngawari. hei whatunga uru whaanui, ka taea e te EPON te whakapai ake i te paanui whatunga me te mahi, me te whakaiti i te utu tiaki. Ko te EPON tetahi o nga hangarau whai kiko e paingia ana e nga kaikawe auraki.

GPON

Ko te hangarau GPON (Gigabit-CapablePON Gigabit Passive Optical Whatunga) ko te reanga hou o te reanga aunui optical passive whakauru whakauru i runga i te paerewa ITU-TG.984.x (International Telecommunication Union TG.984.x).

he nui te bandwidth, He pai te kaha, he kapinga nui, he atanga kaiwhakamahi whai rawa me te maha atu o nga painga e kiia ana e te nuinga o nga kaiwhakahaere he hangarau pai mo te whakatutuki i te aunui me te huringa matawhānui o nga ratonga whatunga uru.

I tenei wa, kua riro ko GPON te hangarau whakauru whai kiko e tino whakamahia ana na tona whanui teitei, te tawhiti o te whakawhiti, me te kaha o te whakahaere, te whakahaere, me te tiaki (OAM).

Ko te punaha GPON katoa ko OLT, ONU me ODN.